CN111889836B - Welding method and system for traction frame workpiece - Google Patents
Welding method and system for traction frame workpiece Download PDFInfo
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- CN111889836B CN111889836B CN202010636390.7A CN202010636390A CN111889836B CN 111889836 B CN111889836 B CN 111889836B CN 202010636390 A CN202010636390 A CN 202010636390A CN 111889836 B CN111889836 B CN 111889836B
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- 238000003466 welding Methods 0.000 title claims abstract description 413
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 53
- 238000005476 soldering Methods 0.000 claims description 53
- 229910000679 solder Inorganic materials 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000012163 sequencing technique Methods 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 16
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 6
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 6
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 6
- 238000011960 computer-aided design Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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Abstract
The invention relates to a welding method and a welding system for a traction frame workpiece, which comprise the following steps: calling workpiece parameter information and drawing a workpiece three-dimensional graph; responding to externally input workpiece splitting information to generate splitting data; transferring splitting data, and splitting a three-dimensional graph of a workpiece; calling a three-dimensional workpiece graph, drawing a welding line at a split position of the three-dimensional workpiece graph, and generating welding line data; responding to the given end point length, calling a three-dimensional graph of the workpiece, and marking spot welding sections at two ends of a welding seam; traversing the weld data, and judging whether two or more welds are mutually communicated, if so, marking the position where the welds are communicated as a reinforcement site; setting welding priority and generating priority data; and calling the welding priority data, and controlling the welding gun to weld according to the welding priority. The method has the effects of avoiding the problem of unstable welding of the diagonal weld seam during the welding of the mechanical arm through effective welding logic arrangement and improving the welding quality of complex workpieces and special weld seams.
Description
Technical Field
The invention relates to the technical field of special welding seam welding, in particular to a welding method and a welding system for a traction frame workpiece.
Background
At present, the vehicle for the agriculturel such as tractor need be connected locomotive and cargo platform, and usually, hookup location uses the traction frame to connect, and the link is for realizing stable traction effect and efficient dismantlement effect, need use multiple work piece of mutually supporting to assemble usually, because the traction frame work piece is intensive and the functional of work piece is stronger, the welded structure of work piece is more complicated for the traction frame usually, and every work piece all needs the welding of different angles many times to accomplish production operation.
The prior technical scheme can refer to Chinese invention patent with application publication number CN109604769A, which discloses a welding method of an annular workpiece, and the welding method comprises the following steps: forming a build-up welding groove on the end surface and the inner wall of the annular workpiece; forming an annular welding seam at the side wall of a overlaying groove on the inner wall of the annular workpiece, wherein the annular welding seam comprises welding beads which are sequentially laminated, and the partial area of the last welding bead on the annular welding seam extends out of the overlaying groove along the width direction of the overlaying groove; fully welding the surfacing groove on the inner wall of the annular workpiece; forming the annular weld at a sidewall of a build-up weld groove on an end face of the annular workpiece; and fully welding the surfacing welding groove on the end surface of the annular workpiece.
The above prior art solutions have the following drawbacks: at present, a mechanical arm holding welding gun is generally adopted to weld a traction frame workpiece, the welding mode has the advantages that the welding of a long-section welding seam is regular and stable, and meanwhile, the welding mode has the defects that the welding effect on the corner of the welding seam or the position with a compact position is unstable and the consumed time is long; during welding, because the workpiece structure of the traction frame is complex, the welding seam is short and has more corners, the current welding method of directly welding the welding gun along the welding seam cannot stably weld the positions of all corners and the like, and the corner positions are usually the positions of the workpiece which is weak in connection and stressed in multiple directions, so that the service life of a finished product is shortened and the yield is not high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the welding method for the workpiece of the traction frame, which can avoid the problem of unstable welding of the diagonal weld seam during the welding of the mechanical arm through effective welding logic arrangement and improve the welding quality of the complex workpiece.
The above object of the present invention is achieved by the following technical solutions:
a welding method for a traction frame workpiece comprises the following steps:
calling workpiece parameter information and drawing a workpiece three-dimensional graph;
responding to externally input workpiece splitting information to generate splitting data;
transferring splitting data, and splitting a three-dimensional graph of a workpiece;
calling a three-dimensional workpiece graph, drawing a welding line at a split position of the three-dimensional workpiece graph, and generating welding line data;
responding to the given end point length, calling a three-dimensional graph of the workpiece, and marking spot welding sections at two ends of a welding seam;
traversing the weld data, judging whether two or more welds are mutually communicated, and marking the position where the welds are communicated as a reinforcement site if the result is positive;
setting welding priority and generating priority data;
and calling the welding priority data, and controlling the welding gun to weld according to the welding priority.
Through adopting above-mentioned technical scheme, on the one hand, introduce the ordinary welding seam welding mode of spot welding mode cooperation, can effectively realize better welding effect and welding mode and welding seam shape through the cooperation of multiple welding mode, matching relation between the length, on the other hand, to the relatively weak welding seam tip of arm welding process stability and welding seam junction, carry out the special welding that the independent welding planning can ensure these weak positions, thereby avoid the unstable condition of these position weldings that ordinary welding mode of following the welding seam leads to, improve the stability of welding effect, furthermore, through the sequencing to different position weldings, welding effect that can be better.
The present invention in a preferred example may be further configured to: further comprising the steps of:
calling welding seam data, and picking up mutually parallel welding seams in the welding seam data to generate a plurality of parallel data sets;
calling all parallel data sets, setting priorities for all parallel data sets, and generating parallel priority data;
calling the parallel priority data and the priority data, and writing the parallel priority data into the priority data.
Through adopting above-mentioned technical scheme, because the arm need not carry out angular adjustment when keeping same welding angle and welding, can realize more high-efficient, more stable welding operation, after having welded the welding seam that is parallel to each other, carry out the welding of another group of parallel data group at the conversion angle, can effectively ensure can stably go on when carrying out the welding of welding seam in every group of parallel data group, improve the stability of welding efficiency and welding effect.
The present invention in a preferred example may be further configured to: the priority data specifically includes:
parallel priority data including an arrangement result of welding priority arrangement for a plurality of parallel data groups;
and the welding priority data comprises an arrangement result of welding priority arrangement of the welding seam, the spot welding section and the reinforcing point.
By adopting the technical scheme, the welding priority arrangement is orderly distributed into two arrangement modes by priority data, one mode is arranged according to the welding angle of the welding guns, the other mode is arranged according to the welding method of the welding guns, and the two arrangement modes are combined, so that the welding guns can be guaranteed to preferentially carry out welding in the same mode when welding in the same angle, the welding guns can be stabilized when carrying out welding in each mode at each angle, the frequency of switching the welding modes or the welding angles by the welding guns is reduced, and the welding efficiency is improved.
The present invention in a preferred example may be further configured to: the priority data ordering method specifically comprises the following steps:
counting the number of welding seams contained in each parallel data group, and sequencing each parallel data group according to the number of the welding seams from more to less;
welding priority data, wherein the priority of the spot welding section is greater than that of the reinforcing point, and the priority of the reinforcing point is greater than that of the welding line;
and fusing the parallel priority data and the welding priority data.
By adopting the technical scheme, when welding is carried out, welding of welding seams with a large number of mutually parallel welding seams can be preferentially carried out through the sequencing, at the moment, the welding guns can be kept at the same angle for a long time, so that the welding stability of the welding guns is improved, on the basis, spot welding sections are preferentially welded, all plates can be fixed together in advance, and the fixing effect can be more efficiently completed on the basis of stable fixation relative to welding seams or reinforced spot welding, at the moment, the welding quality problem caused by shaking or looseness of a clamp can be avoided, then reinforced spot welding and welding seam welding are carried out, the position stability of a workpiece can be realized in the subsequent large-section welding process, further, the priority level of parallel priority data is set to be greater than that of welding, the welding guns can be effectively ensured to rotate the angle after all welding tasks at the angle are welded, the frequency of the rotating angle of the welding gun is reduced, so that the welding stability of the welding gun is improved, and the welding efficiency is improved.
The present invention in a preferred example may be further configured to: also comprises the following steps:
and responding the given soldering tin length data, calling the welding seam data to judge conditions, judging whether the soldering tin length can complete welding of all welding seams in the welding seam data or not, and if not, displaying a warning signal.
Through adopting above-mentioned technical scheme, if the length of soldering tin is not enough to weld the welding seam, then can lead to there being obvious welding interruption condition at welded in-process welding seam, finally lead to the welding strength weakening of this position department, carry out soldering tin according to given soldering tin length data before the welding and can accomplish the welded judgement to the welding seam, can effectively avoid appearing just finding the unable condition of accomplishing welding operation of soldering tin in welding process and appearing, the welding operation of guarantee welding seam is complete smooth and easy, improve the welding quality.
The invention in a preferred example may be further configured to: further comprising the steps of:
calling the welding seam data and the soldering tin length data, matching the corresponding welding seam and the soldering tin length, and generating corresponding length data;
calling corresponding length data, responding to given existing soldering tin data, and performing condition judgment on the corresponding length data and the given existing soldering tin data, wherein the condition is that whether the existing soldering tin length is larger than the soldering tin length in the corresponding length data or not is judged, if so, a welding seam corresponding to the soldering tin length is obtained, and balance data are generated;
calling balance data and writing the access data into priority data;
the balance data is set to have a higher priority than the parallel priority data.
Through adopting above-mentioned technical scheme, because under the ordinary condition all can have soldering tin surplus after accomplishing the welding, at this moment, the welding of all welding seams can not be accomplished to remaining soldering tin, but can enough accomplish the welding of a certain or several welding seams, at this moment, weld these welding seams earlier, can effectively avoid the extravagant condition of remaining soldering tin to take place, improve the utilization ratio of soldering tin, help the saving of raw and other materials.
The present invention in a preferred example may be further configured to: also comprises the following steps:
responding to given cold solder joint data, and writing the cold solder joint data into priority data;
and setting the priority of the data of the cold joint welding spots to be smaller than the priority of the data of the welding priority.
Through adopting above-mentioned technical scheme, through the response to rosin joint solder joint data, can confirm which point is the position that the rosin joint condition appears in the production process before easily, when carrying out the welding, carry out the guarantee welding to these positions that the rosin joint condition appears in the past easily, improve the stability of welding these positions department, can effectively ensure final welding product's yields.
Aiming at the defects in the prior art, the invention aims to provide a welding system for a traction frame workpiece, which can avoid the problem of unstable welding of diagonal welds during welding of a mechanical arm through effective welding logic arrangement and improve the welding quality of complex workpieces.
The above object of the present invention is achieved by the following technical solutions:
a system for welding a workpiece using a drag frame, comprising:
the input module is used for inputting workpiece parameter information and workpiece splitting information;
the drawing module is used for generating and splitting a three-dimensional drawing of the workpiece;
the generating module is used for generating welding line data, spot welding sections and reinforcing sites;
a sorting module for generating priority data;
the storage module is used for storing priority data, a three-dimensional workpiece graph, welding line data, spot welding sections and reinforcement sites;
and the execution module is used for controlling the welding gun to perform workpiece welding operation according to the priority data.
Through adopting the technical scheme, on the one hand, introduce the ordinary welding seam welding mode of spot welding mode cooperation, can effectively realize better welding effect and welding mode and welding seam shape through the cooperation of multiple welding mode, the matching relation between the length, on the other hand, to the relatively weak welding seam tip of stability and welding seam junction among the arm welding process, carry out the special welding that the independent welding planning can ensure these weak positions, thereby avoid the unstable condition of these position weldings that ordinary welding mode of following the welding seam leads to, improve the stability of welding effect, furthermore, through the sequencing to different position weldings, welding effect that can be better.
The present invention in a preferred example may be further configured to: the sorting module specifically comprises:
the parallel sorting unit is used for classifying the mutually parallel welding seams, combining the mutually parallel welding seams to generate parallel data groups, and setting the priority of all the parallel data groups to generate parallel priority data;
the welding sequencing unit is used for carrying out priority setting on the welding seam data, the spot welding sections and the reinforcing sites and generating welding priority data;
and the sorting and arranging unit is used for calling the parallel priority data and the welding priority data, sorting and arranging all priorities and generating priority data.
By adopting the technical scheme, when welding is carried out, welding seams with a large number of parallel welding seams can be preferentially welded through the sequencing, at the moment, the welding guns can be kept at the same angle for a long time, so that the welding stability of the welding guns is improved, on the basis, the welding of spot welding sections is preferentially carried out, all plates can be fixed together, and relative to welding seam welding or reinforcement spot welding, the fixing effect can be more efficiently completed on the basis of stable fixing, at the moment, the problem of welding quality caused by shaking or loosening of a clamp can be avoided, then reinforcement spot welding and welding seam welding are carried out, the position stability of a workpiece can be realized in the subsequent large-section welding process, further, the priority level of parallel priority data is set to be greater than the welding priority data, and the welding guns can be effectively ensured to rotate the angle after one angle is welded to finish all welding tasks of the angle, the frequency of the rotating angle of the welding gun is reduced, so that the welding stability of the welding gun is improved, and the welding efficiency is improved.
The present invention in a preferred example may be further configured to: the sorting module further comprises:
a cold joint response unit for responding the given cold joint data;
a cold joint sequencing unit for setting the priority of the cold joint data,
and the data writing unit is used for writing the dummy welding point data into the priority data.
Through adopting above-mentioned technical scheme, through the response to rosin joint solder joint data, can confirm which point is the position that the rosin joint condition appears in the production process before easily, when carrying out the welding, carry out the guarantee welding to these positions that the rosin joint condition appears in the past easily, improve the stability of welding these positions department, can effectively ensure final welding product's yields.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the problem that welding of the diagonal weld seam is unstable when the mechanical arm is welded can be avoided through effective welding logic arrangement, and the welding quality of complex workpieces and special weld seams is improved;
2. the method can effectively grasp the soldering tin, and reduce the probability of the situation that the soldering tin cannot meet the welding requirement in the welding process;
3. the high utilization rate of the soldering tin can be effectively guaranteed, the waste phenomenon of the soldering tin is reduced on the basis of guaranteeing the welding quality, and therefore the effect of saving raw materials is achieved.
Drawings
FIG. 1 is a schematic system diagram of example 2.
In the figure, 1, an input module; 2. a drawing module; 3. a generation module; 4. a sorting module; 41. a parallel sorting unit; 42. a welding sequencing unit; 43. a sorting and arranging unit; 44. a cold joint response unit; 45. a cold joint sorting unit; 46. a data writing unit; 5. a storage module; 6. and executing the module.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
the invention discloses a welding method for a traction frame workpiece, which is characterized by comprising the following steps of:
and calling the parameter information of the workpiece, and drawing the three-dimensional drawing of the workpiece by using software with a three-dimensional drawing function, such as SolidWorks or CAD (computer-aided design).
And responding to workpiece splitting information input from the outside to generate splitting data.
The workpiece separation information input by the operator includes the components of which the workpiece is composed and the weld positions and connection relationships between the components.
And calling the splitting data, and splitting the three-dimensional graph of the workpiece.
By splitting the three-dimensional drawing of the workpiece, the complete workpiece can be split into a plurality of parts according to actual conditions and the positions of welding seams can be embodied.
And calling the three-dimensional drawing of the workpiece, drawing the welding line at the splitting position of the three-dimensional drawing of the workpiece, and generating welding line data. The weld data includes data such as the position, length, and angle of the welding gun during welding.
And responding to the given end point length, calling the three-dimensional graph of the workpiece, and marking spot welding sections at two ends of the welding seam. The operator gives an end point length, and the spot welding section marked according to the length is a section for welding by using a spot welding mode during welding.
And traversing the weld data, and judging whether two or more welds are mutually communicated, if so, marking the position where the welds are communicated as a reinforcement site.
Generating priority data specifically comprises:
generating a null data space marked as priority data;
and calling the welding seam data, and picking up the mutually parallel welding seams in the welding seam data to generate a plurality of parallel data sets. All welding seams in each parallel data set are guaranteed to be parallel to each other.
And counting the number of welding seams contained in each parallel data group, and sequencing each parallel data group from more to less according to the number of the welding seams.
And calling all parallel data sets, setting priorities for all parallel data sets according to the sequencing result, keeping the parallel data sets with more and more welding seams to have higher priorities, and generating parallel priority data.
Calling the parallel priority data and the priority data, and writing the parallel priority data into the data space of the priority data.
Setting the priority of the spot welding section to be higher than that of the reinforcing point, setting the priority of the reinforcing point to be higher than that of the welding line, combining the spot welding section and the priority thereof, the reinforcing point and the priority thereof, and the welding line and the priority thereof to generate welding priority data, and writing the welding priority data into a data space of the priority data.
And fusing the parallel priority data and the welding priority data. And distributing the welding priority data to the parallel priority data according to the parallel data group where the welding seam is located, and setting the welding priority data distributed to the parallel priority data as subdata of the parallel priority data.
And responding to the given cold solder joint data, and writing the cold solder joint data into the priority data. The cold solder joint data is the position of the solder joint where the cold solder condition is easy to occur given by the worker according to the previous work experience.
And setting the priority of the data of the cold joint welding spots to be smaller than the priority of the welding priority data, and distributing the data of the cold joint welding spots to the corresponding parallel data groups.
And calling welding priority data, inputting the priority data into the mechanical arm, and controlling the mechanical arm to drive the welding gun to weld according to the welding priority. During welding, the priority data group with the highest priority is selected, and then welding is carried out in sequence in the priority data group according to welding priority data contained in the priority data group until parallel priority data are traversed.
When welding is carried out, the welding sequence is arranged in the method, so that the welding gun can be ensured to firstly keep the same angle to weld all the welding seams which can be welded at the angle, then the angle of the welding gun is adjusted to weld other welding seams, and the welding efficiency is improved. During welding, welding seam edge and welding seam hinge joint are welded independently to improve welding stability, and finally, supplementary welding is carried out on the position where a cold joint welding spot is easy to appear and counted by an operator, so that the situation that a certain spot of welding equipment with inverted reasons is often cold-welded is avoided.
The method also comprises the following steps:
and responding the given soldering tin length data and the given existing soldering tin data, calling the welding seam data to judge conditions, judging whether the soldering tin length can complete welding of all welding seams in the welding seam data or not, and if not, displaying a warning signal.
Before the use, contain the soldering tin length data of unit soldering tin length and its can welded welding seam length between the corresponding relation by operating personnel given, contain the current soldering tin data of current soldering tin length by operating personnel given, through soldering tin length data and current soldering tin data, can judge whether the soldering tin can accomplish the weldment work of back welding seam, if can not accomplish, can effectively remind operating personnel to carry out soldering tin change operation through warning signal's demonstration, avoid among the welding process soldering tin to exhaust the condition that leads to welding seam welding interrupt to take place.
And calling the welding seam data and the soldering tin length data, matching the corresponding welding seam and the soldering tin length, and generating corresponding length data. The corresponding length data contains the required solder length for each weld.
Calling the corresponding length data, and carrying out condition judgment on the corresponding length data and the corresponding length data, wherein the judgment condition is whether the existing soldering tin length is larger than the soldering tin length in the corresponding length data, if so, obtaining a welding seam corresponding to the soldering tin length, and generating balance data.
The existing solder data includes a length of the existing solder.
The balance data includes all weld data that can be welded by the current soldering tin.
And calling balance data and writing the access data into the priority data.
And deleting the welding seam data contained in the balance data from the welding priority data while writing the balance data.
The balance data is set to have a higher priority than the parallel priority data.
The implementation principle of the embodiment is as follows: when the welding gun is used, an operator firstly confirms the length of the soldering tin and relevant data of a workpiece to be processed, the data are processed, the welding seam which can be completed by the soldering tin can be completely welded by utilizing the residual soldering tin, the operator is reminded of carrying out soldering tin replacement when the soldering tin is insufficient, then, a welding gun is firstly fixed at an angle, various welding operations of a plurality of parallel welding seams are carried out according to the priority sequence of welding priority data, after the welding operations are completed, corresponding welding tasks in other parallel data groups are continuously carried out until the welding tasks contained in all the parallel data groups are completed, and then, the positions are welded according to points which are easy to be subjected to false welding and are given by the operator, so that the problems of the false welding of the points can be avoided, and finally, the welding operation of the workpiece or the welding seam in a special shape is completed.
Example 2:
11. on the basis of embodiment 1, referring to fig. 1, the invention discloses a system for welding a workpiece by using a traction frame, which comprises the following components:
the input module 1 comprises input equipment such as a keyboard and the like, and responds to workpiece parameter information, workpiece splitting information, end point length and cold-solder joint data input from the outside.
And the drawing module 2 calls the workpiece parameter information and the workpiece splitting information, starts software with a three-dimensional drawing function such as SolidWorks or CAD and the like to draw a three-dimensional drawing of the workpiece, and splits the three-dimensional drawing of the workpiece into a part assembling state according to the workpiece splitting information.
The generating module 3 is used for calling the workpiece splitting information and the workpiece three-dimensional graph, and drawing a welding seam on the workpiece three-dimensional graph according to the welding seam content of the workpiece splitting information to generate welding seam data;
and calling the end point length to draw a spot welding section on the three-dimensional graph of the workpiece, traversing the welding seam data, and judging whether two or more welding seams are mutually communicated, wherein if so, the position where the marked welding seams are communicated is a reinforcement point.
The sorting module 4 is configured to generate priority data, and includes the following units:
the parallel sorting unit 41 is configured to call the weld data, classify the welds that are parallel to each other, combine the welds that are parallel to each other to generate parallel data sets, count the number of welds included in each parallel data set, and sort each parallel data set according to the number of welds from large to small. And calling all parallel data sets, setting priorities for all parallel data sets according to the sequencing result, keeping the parallel data sets with more welding seams and higher priorities, and generating parallel priority data.
And the welding sequencing unit 42 is used for setting the priority of the spot welding section to be higher than that of the reinforcing point and the priority of the reinforcing point to be higher than that of the welding line, and combining the spot welding section and the priority thereof, the reinforcing point and the priority thereof, and the welding line and the priority thereof to generate welding priority data.
The sorting unit 43 calls the parallel priority data and the welding priority data, sorts and sorts all the priorities, and fuses the parallel priority data and the welding priority data. And distributing the welding priority data to the parallel priority data according to the parallel data group where the welding seam is located, setting the welding priority data distributed to the parallel priority data as subdata of the parallel priority data, and generating priority data.
A cold joint response unit 44 for responding to the given cold joint data.
And a cold joint sorting unit 45 for performing priority setting on the cold joint data.
And a data writing unit 46 for writing the dummy solder joint data into the priority data.
And the storage module 5 is used for storing priority data, a three-dimensional workpiece graph, welding line data, spot welding sections and reinforcement sites.
And the execution module 6 is used for controlling the welding gun to perform workpiece welding operation according to the priority data.
The implementation principle of the embodiment is as follows: when welding is carried out, the welding seams needing to be welded are sequenced through the system, welding seams with a large number of parallel welding seams can be preferentially carried out, at the moment, the welding guns can be kept at the same angle for a long time, so that the welding stability of the welding guns is improved, on the basis, the welding of spot welding sections is preferentially carried out, all plates can be fixed together in advance, and relative to welding seam welding or reinforcement spot welding, the fixing effect can be more efficiently completed on the basis of stable fixing, at the moment, the problem of welding quality caused by shaking or loosening of a clamp can be avoided, then reinforcement spot welding and welding seam welding are carried out, the position stability of a workpiece can be realized in the subsequent large-section welding process, further, the priority of parallel priority data is set to be larger than the welding priority data, the welding guns can be effectively enabled to rotate the angle after all welding tasks of the angle are welded, the frequency of the rotating angle of the welding gun is reduced, so that the welding stability of the welding gun is improved, and the welding efficiency is improved.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. A welding method for a traction frame workpiece is characterized by comprising the following steps:
calling workpiece parameter information and drawing a workpiece three-dimensional graph;
responding to externally input workpiece splitting information to generate splitting data;
transferring splitting data, and splitting a three-dimensional graph of a workpiece;
calling a three-dimensional workpiece graph, drawing a welding line at a splitting position of the three-dimensional workpiece graph, and generating welding line data;
responding to the given end point length, calling a three-dimensional graph of the workpiece, and marking spot welding sections at two ends of a welding seam;
traversing the weld data, and judging whether two or more welds are mutually communicated, if so, marking the position where the welds are communicated as a reinforcement site;
setting welding priority and generating priority data;
calling welding seam data, and picking up mutually parallel welding seams in the welding seam data to generate a plurality of parallel data groups;
calling all parallel data sets, setting priorities for all parallel data sets, and generating parallel priority data;
calling parallel priority data and priority data, and writing the parallel priority data into the priority data;
the priority data specifically includes:
parallel priority data including an arrangement result of welding priority arrangement for a plurality of parallel data groups;
welding priority data including an arrangement result of welding priority arrangement of the welding seam, the spot welding section and the reinforcing point;
responding the given soldering tin length data, calling the welding seam data to judge conditions, judging whether the soldering tin length can complete welding of all welding seams in the welding seam data or not, and if not, displaying a warning signal;
calling the welding seam data and the soldering tin length data, matching the corresponding welding seam and the soldering tin length, and generating corresponding length data;
calling corresponding length data, responding to given existing soldering tin data, and performing condition judgment on the corresponding length data and the given existing soldering tin data, wherein the condition is that whether the existing soldering tin length is larger than the soldering tin length in the corresponding length data or not is judged, if so, a welding seam corresponding to the soldering tin length is obtained, and balance data are generated;
calling balance data and writing the access data into priority data;
setting the priority of balance data to be higher than the priority of parallel priority data;
and calling the welding priority data, and controlling the welding gun to weld according to the welding priority.
2. The method of welding a drag frame workpiece according to claim 1, wherein the priority data sorting method is embodied as:
counting the number of welding seams contained in each parallel data group, and sequencing each parallel data group according to the number of the welding seams from more to less;
welding priority data, wherein the priority of a spot welding section is higher than that of a reinforcing point, and the priority of the reinforcing point is higher than that of a welding seam;
and fusing the parallel priority data and the welding priority data.
3. The method of welding a traction frame workpiece according to claim 2, further comprising the steps of:
responding to given cold solder joint data, and writing the cold solder joint data into priority data;
and setting the priority of the data of the cold joint welding spots to be smaller than the priority of the data of the welding priority.
4. A system for using the method of welding the drag frame workpiece according to claim 1, comprising:
the input module (1) is used for inputting workpiece parameter information and workpiece splitting information;
the drawing module (2) is used for generating and splitting a three-dimensional drawing of the workpiece;
the generating module (3) is used for generating welding seam data, spot welding sections and reinforcing sites;
a sorting module (4) for generating priority data;
the storage module (5) is used for storing priority data, a workpiece three-dimensional graph, welding line data, spot welding sections and reinforcement sites;
the execution module (6) is used for controlling the welding gun to carry out workpiece welding operation according to the priority data;
the sorting module (4) comprises:
a cold joint response unit (44) for responding to given cold joint data;
a cold joint sorting unit (45) for setting the priority of the cold joint data,
and a data writing unit (46) for writing the dummy solder joint data into the priority data.
5. The system according to claim 4, wherein the sorting module (4) further comprises:
the parallel sorting unit (41) is used for classifying the mutually parallel welding seams, combining the mutually parallel welding seams to generate parallel data groups, and setting the priority of all the parallel data groups to generate parallel priority data;
a welding sequencing unit (42) for performing priority setting on the welding seam data, the spot welding sections and the reinforcement sites and generating welding priority data;
and the sequencing and sorting unit (43) calls the parallel priority data and the welding priority data, sequences and sorts all the priorities and generates priority data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636390.7A CN111889836B (en) | 2020-07-04 | 2020-07-04 | Welding method and system for traction frame workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010636390.7A CN111889836B (en) | 2020-07-04 | 2020-07-04 | Welding method and system for traction frame workpiece |
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| Publication Number | Publication Date |
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| CN111889836A CN111889836A (en) | 2020-11-06 |
| CN111889836B true CN111889836B (en) | 2022-06-03 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001198669A (en) * | 2000-01-12 | 2001-07-24 | Sumitomo Wiring Syst Ltd | Soldering jig for electric wire and terminal |
| CN105069183A (en) * | 2015-07-10 | 2015-11-18 | 厦门理工学院 | Weld simulation method and device |
| CN105729475A (en) * | 2016-04-28 | 2016-07-06 | 迈力（北京）机器人科技有限公司 | Method for establishing tin soldering process libraries and system applied to same |
| CN106270929A (en) * | 2016-09-30 | 2017-01-04 | 中车青岛四方机车车辆股份有限公司 | The welding method of railway vehicle component |
| CN207858011U (en) * | 2018-01-22 | 2018-09-14 | 深圳市迈威测控技术有限公司 | The laser tin soldering equipment of tin is sent in automatic calibration |
| CN111230869A (en) * | 2020-01-21 | 2020-06-05 | 北京卫星制造厂有限公司 | Complex space curve weld joint movement track and welding process collaborative planning method |
-
2020
- 2020-07-04 CN CN202010636390.7A patent/CN111889836B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001198669A (en) * | 2000-01-12 | 2001-07-24 | Sumitomo Wiring Syst Ltd | Soldering jig for electric wire and terminal |
| CN105069183A (en) * | 2015-07-10 | 2015-11-18 | 厦门理工学院 | Weld simulation method and device |
| CN105729475A (en) * | 2016-04-28 | 2016-07-06 | 迈力（北京）机器人科技有限公司 | Method for establishing tin soldering process libraries and system applied to same |
| CN106270929A (en) * | 2016-09-30 | 2017-01-04 | 中车青岛四方机车车辆股份有限公司 | The welding method of railway vehicle component |
| CN207858011U (en) * | 2018-01-22 | 2018-09-14 | 深圳市迈威测控技术有限公司 | The laser tin soldering equipment of tin is sent in automatic calibration |
| CN111230869A (en) * | 2020-01-21 | 2020-06-05 | 北京卫星制造厂有限公司 | Complex space curve weld joint movement track and welding process collaborative planning method |
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